Norfolk is an English County.
| Year | All Motor Vehicles | Cars and Taxis | Road Network Total Length |
|---|---|---|---|
| 2000 | 4,638,400,000 | 3,699,200,000 | 6,250.6 miles (10,059.3 km) |
| 2001 | 4,714,300,000 | 3,749,300,000 | 6,259.9 miles (10,074.3 km) |
| 2002 | 4,850,400,000 | 3,869,300,000 | 6,269.4 miles (10,089.6 km) |
| 2003 | 4,878,000,000 | 3,873,600,000 | 6,279.0 miles (10,105.1 km) |
| 2004 | 4,921,200,000 | 3,894,800,000 | 6,233.3 miles (10,031.6 km) |
| 2005 | 4,996,600,000 | 3,938,100,000 | 6,272.3 miles (10,094.4 km) |
| 2006 | 5,046,800,000 | 3,970,900,000 | 6,277.9 miles (10,103.3 km) |
| 2007 | 5,039,200,000 | 3,910,000,000 | 6,278.0 miles (10,103.4 km) |
| 2008 | 5,078,100,000 | 3,953,900,000 | 6,289.5 miles (10,121.9 km) |
| 2009 | 5,010,100,000 | 3,925,300,000 | 6,266.6 miles (10,085.1 km) |
| 2010 | 4,912,500,000 | 3,839,100,000 | 6,259.1 miles (10,073.0 km) |
| 2011 | 4,858,900,000 | 3,822,700,000 | 6,256.0 miles (10,068.1 km) |
| 2012 | 4,851,000,000 | 3,815,900,000 | 6,255.8 miles (10,067.7 km) |
| 2013 | 4,834,800,000 | 3,792,600,000 | 6,261.2 miles (10,076.4 km) |
| 2014 | 4,929,100,000 | 3,854,300,000 | 6,267.8 miles (10,087.0 km) |
| 2015 | 4,991,000,000 | 3,881,700,000 | 6,245.5 miles (10,051.1 km) |
| 2016 | 5,117,000,000 | 3,969,300,000 | 6,229.6 miles (10,025.5 km) |
| 2017 | 5,321,500,000 | 4,108,400,000 | 6,231.6 miles (10,028.7 km) |
| 2018 | 5,387,000,000 | 4,169,800,000 | 6,222.2 miles (10,013.7 km) |
| 2019 | 5,441,300,000 | 4,196,500,000 | 6,208.6 miles (9,991.8 km) |
| 2020 | 4,285,200,000 | 3,176,500,000 | 6,220.1 miles (10,010.3 km) |
| 2021 | 4,869,200,000 | 3,619,500,000 | 6,223.8 miles (10,016.3 km) |
| 2022 | 5,278,700,000 | 3,970,700,000 | 6,170.1 miles (9,929.9 km) |
| 2023 | 5,408,600,000 | 4,104,700,000 | 6,183.8 miles (9,951.9 km) |